Finding the Fourth Proportional to 81,465.30, 112,426.61 and 45,666.81

Step by Step Solution

1. Step 1: Write the proportion equation
   81,465.30 : 112,426.61 = 45,666.81 : x
2. Step 2: Convert to fraction form
   81,465.30/112,426.61 = 45,666.81/x
3. Step 3: Cross multiply
   81,465.30x = 112,426.61 × 45,666.81
4. Step 4: Simplify right side
   81,465.30x = 5,134,164,409.48
5. Step 5: Solve for x
   x = 5,134,164,409.48/81,465.30
6. Step 6: Final answer
   x = 63,022.72